Immunity

LOS ANGELES — Paxlovid reduced the risk for severe COVID-19 hospitalization or death among people with existing immunity from a previous infection or vaccination, according to pooled trial data presented at IDWeek.

Patients with cystic fibrosis frequently experience bacterial infections, but a zinc transport protein may be able to lower infection incidence, according to findings published in Proceedings of the National Academy of Sciences.

DENVER — Among people with HIV, hybrid immunity against COVID-19 is more effective at preventing infection and severe disease than vaccination alone, according to a study.

Hybrid SARS-CoV-2 immunity in pregnancy — immunity from a prior infection plus vaccination — is associated with a greater likelihood of protection at delivery for mothers and infants compared with a prior infection alone, a study found.

The Supreme Court blocked Purdue Pharma’s bankruptcy proceedings Thursday in a decision that also halts the deal granting immunity to the Sackler family.

Fecal microbiota transplantation improved gut barrier function, mucosal immunity and ammonia metabolism in patients with cirrhosis, which could reduce hepatic encephalopathy and other infections, according to data from the PROFIT trial.

“Network immunity” may have helped halt the global mpox outbreak, according to a study presented at the European Congress of Clinical Microbiology & Infectious Diseases.

People who are vaccinated and have previously been infected with COVID-19 had a 97% reduced chance of severe COVID-19 infection year after their last vaccination or infection, researchers determined.